com.github.rabid_fish.proxy.mock.MockMapHelper.java Source code

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Here is the source code for com.github.rabid_fish.proxy.mock.MockMapHelper.java

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/*
   Copyright 2013 Daniel Juliano
       
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at
       
   http://www.apache.org/licenses/LICENSE-2.0
       
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

package com.github.rabid_fish.proxy.mock;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URISyntaxException;
import java.net.URL;

import org.apache.commons.io.FileUtils;
import org.codehaus.jackson.map.ObjectMapper;

/**
 * MockMapHelper handles unmarshalling a json config file to an array
 * of MockMapItems. 
 */
public abstract class MockMapHelper<A> {

    protected MockMapItem[] mockMapItems;

    public MockMapHelper(String resourcePath) {
        setMockMapItems(resourcePath);
    }

    protected void setMockMapItems(String resourcePath) {

        ObjectMapper mapper = new ObjectMapper();
        InputStream stream = getClass().getResourceAsStream(resourcePath);

        if (stream == null) {
            throw new RuntimeException("Unable to locate json file at path " + resourcePath);
        }

        try {
            mockMapItems = mapper.readValue(stream, MockMapItem[].class);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    protected String readFileFromResourcePath(String filename) throws URISyntaxException, IOException {

        URL resource = getClass().getResource(filename);
        File file = new File(resource.toURI());
        String body = FileUtils.readFileToString(file);
        return body;
    }

}